P-5

Ancillary Services Prices, Day Ahead Market

04/15/2007

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25450.250.250.2545
06:000.30.30.3450.30.30.345
07:006.213.090.5556.213.090.555
08:009.172.670.55570.50.555
09:009.613.110.55570.50.555
10:0011.333.090.55570.50.555
11:00103.090.55070.50.550
12:00103.090.55070.50.550
13:00103.090.55070.50.550
14:009.563.060.55070.50.550
15:009.553.050.55070.50.550
16:009.563.060.55070.50.550
17:009.563.06251.58.52251.5
18:009.563.06251.58.52251.5
19:0020.223.09256.58.52256.5
20:0024.33.09256.58.52256.5
21:0014.173.490.55570.50.555
22:0073.090.55073.090.550
23:002.642.640.3500.30.30.350